condition	mean	min	max
4 h after light	8.292235	7.12469	9.45978
8 h after light	9.736225	8.21835	11.2541
12 h after light	7.4615100000000005	7.44332	7.4797
4 h after dark	7.83572	6.79987	8.87157
8 h after dark	9.54312	9.00914	10.0771
12 h after dark	10.163170000000001	9.33554	10.9908